South Holland, IL July 15, 1941 The Rev. H. J. Kuiper, Editor, The Banner Dear Sir: When Luther and Calvin saw that their Roman Catholic Church had lost the TRUTH of the Scriptures, they began to instruct their brethren, within said church regarding the unscriptural ecclesiastical errors, with the result that the Roman Catholic Church cast them out and persecuted them. The above is a historical fact which neither you nor anyone who has studied history dare deny. Now, it so happens that in our time, the Christian Reformed Church in America, of which you are a pastor, and I...